Yes I think this is some kind of failure to install the Nvidia driver correctly, such that the Xorg config was missing. It should work perfectly if installed from the official Ubuntu .deb files or via the GUI.
Unless the problem happens reliably I think this bug should expire. ** Changed in: nvidia-graphics-drivers-435 (Ubuntu) Status: Confirmed => Incomplete ** Changed in: nvidia-graphics-drivers-440 (Ubuntu) Status: Confirmed => Incomplete ** Changed in: xorg-server (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1870637 Title: Nvidia+modeset: Can't set 4K@60Hz: HDMI max TMDS frequency 300000KHz To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-435/+bug/1870637/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp